CVE-2026-68216

A flaw was found in the Linux kernel's pwc media driver. When the startstreaming function fails, it does not properly return queued buffers, leading to a resource leak. This can occur if the USB device is disconnected or if a mutex lock is interrupted. A local attacker could potentially exploit...

CVE-2026-68217

A flaw was found in the Linux kernel's pwc media driver. When initiating a streaming operation, if an error occurs during the submission of isochronous USB Request Blocks URBs, a buffer may not be correctly deallocated. This oversight can lead to a resource leak, potentially causing system...

CVE-2026-68216

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

CVE-2026-68217

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Drain fillbuf on startstreaming failure pwcisocinit submits its isochronous URBs with usbsubmiturb.., GFPKERNEL in a loop. After the first URB is submitted, its completion handler pwcisochandler can run on another CPU...

CVE-2026-68216

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

UBUNTU-CVE-2026-68217

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Drain fillbuf on startstreaming failure pwcisocinit submits its isochronous URBs with usbsubmiturb.., GFPKERNEL in a loop. After the first URB is submitted, its completion handler pwcisochandler can run on another CPU...

UBUNTU-CVE-2026-68216

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

CVE-2026-68217

Technical details (affected product/version, root cause, impact, or fix) are not publicly provided in the supplied documents. Monitor for updates.

EUVD-2026-55318

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Drain fillbuf on startstreaming failure pwcisocinit submits its isochronous URBs with usbsubmiturb.., GFPKERNEL in a loop. After the first URB is submitted, its completion handler pwcisochandler can run on another CPU...

CVE-2026-68217 media: pwc: Drain fill_buf on start_streaming() failure

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Drain fillbuf on startstreaming failure pwcisocinit submits its isochronous URBs with usbsubmiturb.., GFPKERNEL in a loop. After the first URB is submitted, its completion handler pwcisochandler can run on another CPU...

CVE-2026-68216

Summary of CVE-2026-68216 (Linux kernel pwc driver): A fix addresses a resource leak in start_streaming() for the pwc media driver. When start_streaming() fails, buffers queued via vb2_buffer_done() were not returned, causing vb2_start_streaming() to WARN_ON(owned_by_drv_count). The two early-fai...

CVE-2026-68216 media: pwc: Return queued buffers on start_streaming() failure

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

EUVD-2026-55317

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

Linux Distros Unpatched Vulnerability : CVE-2026-68216

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - media: pwc: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If...

Linux Distros Unpatched Vulnerability : CVE-2026-68217

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - media: pwc: Drain fillbuf on startstreaming failure pwcisocinit submits its isochronous URBs with usbsubmiturb.., GFPKERNEL in a loop. After the first URB is...

Operationalizing Cloud Security: How PwC and Wiz Help Turn Risk into Resilience

PwC leverages Wiz to empower secure cloud transformation—bridging strategy, visibility, and execution...

Researchers Unmask Sandman APT's Hidden Link to China-Based KEYPLUG Backdoor

Tactical and targeting overlaps have been discovered between the enigmatic advanced persistent threat APT called Sandman and a China-based threat cluster that's known to use a backdoor referred to as KEYPLUG. The assessment comes jointly from SentinelOne, PwC, and the Microsoft Threat Intelligenc...

CVE-2023-28895

The password for access to the debugging console of the PoWer Controller chip PWC of the MIB3 infotainment is hard-coded in the firmware. The console allows attackers with physical access to the MIB3 unit to gain full control over the PWC chip. Vulnerability found on Škoda Superb III 3V3 - 2.0 TD...

CVE-2023-28895 Hard-coded password for access to power controller chip memory

The password for access to the debugging console of the PoWer Controller chip PWC of the MIB3 infotainment is hard-coded in the firmware. The console allows attackers with physical access to the MIB3 unit to gain full control over the PWC chip. Vulnerability found on Škoda Superb III 3V3 - 2.0 TD...

CVE-2023-28895

The CVE-2023-28895 entry concerns Škoda MIB3 infotainment’s PoWer Controller (PWC) with a hard-coded password in the firmware. This allows an attacker with physical access to gain full control of the PWC chip on Škoda Superb III (3V3) 2.0 TDI (2022). Connected documents confirm the hardware/softw...